| May 10, 2026 | Cornelisse | 1–0 | Chua | Ronde 6: Cornelisse, Lorelei - Chua, Ethan | Queen's Indian Defense: Fianchetto Variation, Nimzowitsch Variation | |
| May 10, 2026 | Chua | 0–1 | Kurt | Ronde 5: Chua, Ethan - Kurt, Sascha | Sicilian Defense: Najdorf Variation, Opocensky Variation | |
| May 9, 2026 | Verhoeven | 0–1 | Chua | Ronde 4: Verhoeven, Robin - Chua, Ethan | Sicilian Defense: Closed, Traditional | |
| May 9, 2026 | Ethan Chua | ½–½ | Freek Thijssen | Ronde 3: Ethan Chua - Freek Thijssen | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| May 9, 2026 | Wouter Terlouw | ½–½ | Ethan Chua | Ronde 2: Wouter Terlouw - Ethan Chua | Trompowsky Attack: Classical Defense, Big Center Variation | |
| May 8, 2026 | Ethan Chua | 1–0 | Pim Blijlevens | Round 1: Ethan Chua - Pim Blijlevens | French Defense: Tarrasch Variation, Guimard Defense, Main Line | |
| May 2, 2026 | Chua | 0–1 | Gergin | Round 9: Chua, Ethan - Gergin, Isafara | Caro-Kann Defense: Two Knights Attack | |
| May 2, 2026 | Thijssen | 0–1 | Chua | Round 8: Thijssen, Freek - Chua, Ethan | Sicilian Defense: Kalashnikov Variation | |
| May 2, 2026 | Chua | 1–0 | De Wit | Round 7: Chua, Ethan - De Wit, Evan | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| May 2, 2026 | Ondersteijn | 1–0 | Chua | Round 6: Ondersteijn, Niels - Chua, Ethan | English Opening: Anglo-Indian Defense | |
| May 2, 2026 | Pol | 0–1 | Chua | Round 5: Pol, Nico - Chua, Ethan | Polish Opening | |
| May 2, 2026 | Chua | 0–1 | Schoorl | Round 4: Chua, Ethan - Schoorl, Rob | Sicilian Defense: Accelerated Dragon, Modern Bc4 Variation | |
| May 2, 2026 | Chua | 1–0 | Xu | Round 3: Chua, Ethan - Xu, Alex Z | Sicilian Defense: Four Knights Variation | |
| May 2, 2026 | John | 0–1 | Chua | Round 2: John, Ryan - Chua, Ethan | English Opening: Symmetrical Variation, Four Knights Variation | |
| May 2, 2026 | Chua | 1–0 | Altounsi | Round 1: Chua, Ethan - Altounsi, Abdulwarith Ali | Pirc Defense | |
| Apr 25, 2026 | Winter | 0–1 | Chua | Round 2: Winter, Sven - Chua, Ethan | Italian Game: Classical Variation, Giuoco Pianissimo | |
| Apr 25, 2026 | Chua | 1–0 | Roebers | Round 1: Chua, Ethan - Roebers, Bregje | Sicilian Defense: Scheveningen Variation, Classical Variation | |
| Apr 12, 2026 | Chua | ½–½ | De Jong | Round 7: Chua, Ethan - De Jong, Lode | English Opening: Mikenas-Carls Variation | |
| Apr 12, 2026 | Aravindhan | ½–½ | Chua | Round 6: Aravindhan, Achyuth - Chua, Ethan | Italian Game: Giuoco Pianissimo, Normal | |
| Apr 12, 2026 | Chua | 1–0 | Baarspul | Round 5: Chua, Ethan - Baarspul, Bram | English Opening: Symmetrical Variation, Anti-Benoni Variation, Spielmann Defense | |
| Apr 12, 2026 | Groenewoud | 0–1 | Chua | Round 4: Groenewoud, Joel - Chua, Ethan | Sicilian Defense: Kalashnikov Variation | |
| Apr 12, 2026 | Chua | 1–0 | Kurt | Round 3: Chua, Ethan - Kurt, Sascha | Sicilian Defense: Keres Variation | |
| Dec 29, 2025 | Grooten | ½–½ | Chua | Round 9: Grooten, Herman - Chua, Ethan | King's Indian Defense: Orthodox Variation, Aronin-Taimanov Defense | |
| Dec 28, 2025 | Wempe | 1–0 | Chua | Round 7: Wempe, Joost - Chua, Ethan | King's Indian Defense: Fianchetto Variation, Uhlmann-Szabo System | |
| Dec 27, 2025 | Blok | 0–1 | Chua | Chessfestival Groningen 2025 Open A | ? | |
| Dec 27, 2025 | Chua | 0–1 | Bakker | Chessfestival Groningen 2025 Open A | Ruy Lopez: Closed, Keres Defense | |
| Dec 26, 2025 | Chua | 0–1 | Albers | Round 6: Chua, Ethan - Albers, Sasa | Sicilian Defense: Richter-Rauzer Variation | |
| Dec 26, 2025 | Chua | ½–½ | Aakash | Chessfestival Groningen 2025 Open A | French Defense: Tarrasch Variation, Closed Variation, Main Line | |
| Dec 24, 2025 | Keuning | 0–1 | Chua | Round 5: Keuning, Selwin - Chua, Ethan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Dec 22, 2025 | Babazada | 1–0 | Chua | Round 2: Babazada, Khazar - Chua, Ethan | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Oct 18, 2025 | Chua | 1–0 | Amini | Runde 9: Chua, Ethan - Amini, Yusuf | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Oct 17, 2025 | Barskij | 0–1 | Chua | Runde 8: Barskij, Aleksandr - Chua, Ethan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Oct 16, 2025 | Chua | 0–1 | Vollbehr | Runde 7: Chua, Ethan - Vollbehr, Bjarne | Ruy Lopez: Morphy Defense | |
| Oct 15, 2025 | Teschler | 0–1 | Chua | Runde 6: Teschler, Ansgar - Chua, Ethan | Sicilian Defense: Kalashnikov Variation | |
| Oct 14, 2025 | Chua | 1–0 | Aryan Goyal | Runde 5: Chua, Ethan - Aryan Goyal | Ruy Lopez: Open, Bernstein Variation | |
| Oct 13, 2025 | Mazur | 1–0 | Chua | Runde 4: Mazur, Stefan - Chua, Ethan | Caro-Kann Defense: Endgame Offer | |
| Oct 12, 2025 | Chua | 0–1 | Schmitzer | Runde 3: Chua, Ethan - Schmitzer, Klaus | Caro-Kann Defense: Tartakower Variation | |
| Oct 12, 2025 | Lymar | 0–1 | Chua | Runde 2: Lymar, Vladislav - Chua, Ethan | Caro-Kann Defense: Exchange Variation | |
| Oct 11, 2025 | Chua | 1–0 | van der Riet | Runde 1: Chua, Ethan - van der Riet, Ernst | King's Indian Defense: Normal Variation, King's Knight Variation | |
| Sep 28, 2025 | Miedema | 1–0 | Chua | Round 7: Miedema, David - Chua, Ethan | King's Indian Defense: Sämisch Variation, Panno Formation | |
| Sep 28, 2025 | Chua | 1–0 | Helmond | Round 6: Chua, Ethan - Helmond, Frans | Sicilian Defense: Keres Variation | |
| Sep 28, 2025 | Sertel | ½–½ | Chua | Round 5: Sertel, Erdogan - Chua, Ethan | Indian Defense: Knights Variation | |
| Sep 28, 2025 | Chua | 1–0 | Harkanyi | Round 4: Chua, Ethan - Harkanyi, Adam | Slav Defense: Quiet Variation | |
| Sep 28, 2025 | Dam | ½–½ | Chua | Round 3: Dam, Hans - Chua, Ethan | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Sep 28, 2025 | Chua | 1–0 | Kruger | Round 2: Chua, Ethan - Kruger, Willy | Pirc Defense | |
| Sep 28, 2025 | Verhoeven | 0–1 | Chua | Round 1: Verhoeven, Lars - Chua, Ethan | King's Indian Defense: Semi-Averbakh System | |
| May 18, 2025 | Ganeshram | 0–1 | Chua | Round 6: Ganeshram, Nirupa - Chua, Ethan | Sicilian Defense: Old Sicilian | |
| May 18, 2025 | Chua | 0–1 | Van Doren | Round 5: Chua, Ethan - Van Doren, Bas | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| May 17, 2025 | Terlouw | 1–0 | Chua | Round 4: Terlouw, Wouter - Chua, Ethan | Indian Defense: Przepiorka Variation | |
| May 17, 2025 | Chua | ½–½ | Ritzerveld | Round 3: Chua, Ethan - Ritzerveld, Noah | Slav Defense: Quiet Variation, Schallopp Defense | |
| May 17, 2025 | Madularea | 0–1 | Chua | Round 2: Madularea, David - Chua, Ethan | Sicilian Defense: Closed, Chameleon Variation | |
| May 16, 2025 | Chua | 1–0 | Bax | Round 1: Chua, Ethan - Bax, Martijn | Queen's Pawn Game: Colle System, Anti-Colle | |
| May 2, 2025 | Krylov | 0–1 | Chua | Round 7: Krylov, Philippe - Chua, Ethan | King's Indian Defense: Semi-Averbakh System | |
| May 1, 2025 | Chua | 1–0 | Wink | Round 6: Chua, Ethan - Wink, Luka | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Apr 30, 2025 | Chua | ½–½ | Grooten | Round 5: Chua, Ethan - Grooten, Tommy | Sicilian Defense: Najdorf Variation | |
| Apr 29, 2025 | Lopes | 0–1 | Chua | Round 4: Lopes, Samuel - Chua, Ethan | Sicilian Defense: Nyezhmetdinov-Rossolimo Attack | |
| Apr 28, 2025 | Chua | 1–0 | Kolijn | Round 3: Chua, Ethan - Kolijn, David | Sicilian Defense: O'Kelly Variation, Yerevan System | |
| Apr 27, 2025 | Winter | 1–0 | Chua | Round 2: Winter, Sven - Chua, Ethan | Sicilian Defense: Alapin Variation, Barmen Defense | |
| Apr 26, 2025 | Chua | 0–1 | Kurt | Round 1: Chua, Ethan - Kurt, Sascha | Sicilian Defense: Najdorf Variation | |
| Apr 21, 2025 | Chua | 0–1 | Komans | Round 9: Chua, Ethan - Komans, Dieter | Ruy Lopez: Berlin Defense | |
| Apr 21, 2025 | Gieseler | ½–½ | Chua | Round 8: Gieseler, Felix - Chua, Ethan | Sicilian Defense: Kalashnikov Variation | |
| Apr 20, 2025 | Chua | * | Ngo | Round 7: Chua, Ethan - Ngo, Quang Thai | Sicilian Defense: Four Knights Variation, Cobra Variation | |
| Apr 20, 2025 | Chua | 1–0 | Krueger | Round 6: Chua, Ethan - Krueger, Andre | Sicilian Defense: Godiva Variation | |
| Apr 19, 2025 | Joel Schlaebitz | ½–½ | Chua | Round 5: Joel Schlaebitz - Chua, Ethan | Sicilian Defense: Closed, Traditional | |
| Apr 19, 2025 | Chua | 1–0 | Heider | Round 4: Chua, Ethan - Heider, Niklas | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| Apr 18, 2025 | Huether | * | Chua | Round 3: Huether, Jakob - Chua, Ethan | ? | |
| Nov 1, 2024 | Chua | ½–½ | Haug | Round 4: Chua, Ethan - Haug, Havard | Sicilian Defense: Najdorf Variation | |
| Jul 24, 2024 | Thienpondt | 0–1 | Chua | Round 9: Thienpondt, Mardoek - Chua, Ethan | Sicilian Defense: Kalashnikov Variation | |
| Jul 23, 2024 | Chua | 1–0 | Pranav Kshirsagar | Round 8: Chua, Ethan - Pranav Kshirsagar | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Jun 15, 2024 | Chua | 0–1 | Van t Hoff | Round 9: Chua, Ethan - Van t Hoff, Tom | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation, Novosibirsk Variation | |
| Jun 15, 2024 | Van Egmond | 0–1 | Chua | Round 8: Van Egmond, Tom - Chua, Ethan | Trompowsky Attack | |
| Jun 15, 2024 | Chua | 1–0 | Feijen | Round 7: Chua, Ethan - Feijen, Niels | French Defense: Rubinstein Variation, Fort Knox Variation | |
| Jun 15, 2024 | Markuszewski | 1–0 | Chua | Round 6: Markuszewski, Maksymilian - Chua, Ethan | King's Indian Defense: Orthodox Variation, Gligoric-Taimanov System | |
| Jun 15, 2024 | Chua | ½–½ | Den Heijer | Round 5: Chua, Ethan - Den Heijer, Rolinde | Sicilian Defense: Najdorf Variation | |
| Jun 15, 2024 | Karssenberg | 0–1 | Chua | Round 4: Karssenberg, Arnout - Chua, Ethan | King's Indian Defense: Fianchetto Variation, Panno Variation | |
| Jun 15, 2024 | Chua | ½–½ | Darie | Round 3: Chua, Ethan - Darie, Aden | Caro-Kann Defense: Tartakower Variation | |
| Jun 15, 2024 | Kempers | 0–1 | Chua | Round 2: Kempers, Jord - Chua, Ethan | Caro-Kann Defense: Maróczy Variation | |
| Jun 15, 2024 | Chua | ½–½ | Ganeshram | Round 1: Chua, Ethan - Ganeshram, Nirupa | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Jun 2, 2024 | Chua | 1–0 | Geboers | WLC Tournament 2024 A | French Defense: Tarrasch Variation, Closed Variation | |
| Jun 2, 2024 | Matthijssen | ½–½ | Chua | WLC Tournament 2024 A | Caro-Kann Defense: Tartakower Variation | |
| Jun 1, 2024 | Chua | ½–½ | Feng | WLC Tournament 2024 A | Vienna Game: Vienna Gambit, Paulsen Attack | |
| Jun 1, 2024 | Grooten | ½–½ | Chua | WLC Tournament 2024 A | King's Indian Defense: Petrosian Variation, Stein Defense | |
| Jun 1, 2024 | Bakija | 1–0 | Chua | WLC Tournament 2024 A | King's Indian Defense: Fianchetto Variation, Carlsbad Variation | |
| May 31, 2024 | Chua | 1–0 | Bhawsar | WLC Tournament 2024 A | ? | |
| May 3, 2024 | Terlouw | 0–1 | Chua | Round 9: Terlouw, Wouter - Chua, Ethan | Indian Defense | |
| May 2, 2024 | Chua | 1–0 | Roorda | Round 8: Chua, Ethan - Roorda, Cas | Sicilian Defense: Taimanov Variation, Bastrikov Variation, English Attack | |
| May 1, 2024 | Chua | 1–0 | Aravindhan | Round 7: Chua, Ethan - Aravindhan, Achyuth | Sicilian Defense: Lasker-Pelikan Variation, Sveshnikov Variation | |
| May 1, 2024 | Ritzerveld | 1–0 | Chua | Round 6: Ritzerveld, Noah - Chua, Ethan | Caro-Kann Defense: Tartakower Variation | |
| Apr 30, 2024 | Chua | 1–0 | Groenewoud | Round 5: Chua, Ethan - Groenewoud, Joel | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 29, 2024 | Grooten | 0–1 | Chua | Round 4: Grooten, Tommy - Chua, Ethan | King's Indian Defense: Normal Variation | |
| Apr 29, 2024 | Chua | ½–½ | Kurt | Round 3: Chua, Ethan - Kurt, Sascha | Sicilian Defense: Najdorf Variation | |
| Apr 28, 2024 | Chua | 1–0 | Ngangbam | Round 2: Chua, Ethan - Ngangbam, Chingthang | Sicilian Defense: Dragon Variation, Yugoslav Attack, Panov Variation | |
| Apr 27, 2024 | Winter | 0–1 | Chua | Round 1: Winter, Sven - Chua, Ethan | Caro-Kann Defense: Advance Variation, Botvinnik-Carls Defense | |
| Apr 1, 2024 | Huesmann | ½–½ | Chua | Round 9: Huesmann, Thomas - Chua, Ethan | Caro-Kann Defense: Two Knights Attack | |
| Apr 1, 2024 | Chua | 1–0 | Schaefers | Round 8: Chua, Ethan - Schaefers, Andreas | Sicilian Defense: Kan Variation, Knight Variation | |
| Mar 31, 2024 | Stemmler | 1–0 | Chua | Round 7: Stemmler, Fabian - Chua, Ethan | Caro-Kann Defense: Two Knights Attack | |
| Mar 31, 2024 | Chua | 1–0 | Van Ee | Round 6: Chua, Ethan - Van Ee, Robin | Sicilian Defense: Kan Variation | |
| Mar 30, 2024 | Schuricht | ½–½ | Chua | Round 5: Schuricht, Emil Frederick - Chua, Ethan | King's Indian Defense: Exchange Variation | |
| Mar 30, 2024 | Chua | 1–0 | Fedorenko | Round 4: Chua, Ethan - Fedorenko, Tatyana | Bishop's Opening: Vienna Hybrid | |
| Mar 29, 2024 | Chua | ½–½ | Bashirov | Round 3: Chua, Ethan - Bashirov, Kemal | Sicilian Defense: Scheveningen Variation, English Attack, with f3 | |